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  不能分享这段文字哟
  <script>
    // 1.我们可以禁用右键 contextmenu
    document.addEventListener('contextmenu', function (e) {
      e.preventDefault();
    })
    // 2.禁止选中文字 selectstart
    document.addEventListener('selectstart', function (e) {
      e.preventDefault();
    })
  </script>
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